diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/pango.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/common/pango.c b/common/pango.c index dbc369dc..88932203 100644 --- a/common/pango.c +++ b/common/pango.c @@ -109,6 +109,24 @@ void get_text_size(cairo_t *cairo, const char *font, int *width, int *height, free(buf); } +void get_text_metrics(const char *font, int *height, int *baseline) { + cairo_t *cairo = cairo_create(NULL); + PangoContext *pango = pango_cairo_create_context(cairo); + PangoFontDescription *description = pango_font_description_from_string(font); + PangoFontMetrics *metrics; + + // When passing NULL as a language, pango uses the current locale. + metrics = pango_context_get_metrics(pango, description, NULL); + + *baseline = pango_font_metrics_get_ascent(metrics) / PANGO_SCALE; + *height = *baseline + pango_font_metrics_get_descent(metrics) / PANGO_SCALE; + + pango_font_metrics_unref(metrics); + pango_font_description_free(description); + g_object_unref(pango); + cairo_destroy(cairo); +} + void pango_printf(cairo_t *cairo, const char *font, double scale, bool markup, const char *fmt, ...) { va_list args; |